EP4482145A4 - Codierungsverfahren, decodierungsverfahren und elektronische vorrichtung - Google Patents

Codierungsverfahren, decodierungsverfahren und elektronische vorrichtung

Info

Publication number
EP4482145A4
EP4482145A4 EP23766004.8A EP23766004A EP4482145A4 EP 4482145 A4 EP4482145 A4 EP 4482145A4 EP 23766004 A EP23766004 A EP 23766004A EP 4482145 A4 EP4482145 A4 EP 4482145A4
Authority
EP
European Patent Office
Prior art keywords
electronic device
coding
decoding
decoding method
coding method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23766004.8A
Other languages
English (en)
French (fr)
Other versions
EP4482145A1 (de
Inventor
Gong HU
Yufeng LU
Cheng Wang
Peiyun Di
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP4482145A1 publication Critical patent/EP4482145A1/de
Publication of EP4482145A4 publication Critical patent/EP4482145A4/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP23766004.8A 2022-03-11 2023-03-07 Codierungsverfahren, decodierungsverfahren und elektronische vorrichtung Pending EP4482145A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210243272.9A CN116781907A (zh) 2022-03-11 2022-03-11 编解码方法及电子设备
PCT/CN2023/080113 WO2023169426A1 (zh) 2022-03-11 2023-03-07 编解码方法及电子设备

Publications (2)

Publication Number Publication Date
EP4482145A1 EP4482145A1 (de) 2024-12-25
EP4482145A4 true EP4482145A4 (de) 2025-06-25

Family

ID=87936023

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23766004.8A Pending EP4482145A4 (de) 2022-03-11 2023-03-07 Codierungsverfahren, decodierungsverfahren und elektronische vorrichtung

Country Status (4)

Country Link
US (1) US12470699B2 (de)
EP (1) EP4482145A4 (de)
CN (1) CN116781907A (de)
WO (1) WO2023169426A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116684610B (zh) * 2023-05-17 2024-10-15 北京百度网讯科技有限公司 确定长期参考帧的参考状态的方法、装置及电子设备
CN119835429A (zh) * 2023-10-12 2025-04-15 华为技术有限公司 图像编解码方法和装置
CN117640940B (zh) * 2023-10-27 2026-08-11 浙江大华技术股份有限公司 视频编码方法、视频解码方法、计算机设备及存储介质
CN120431223A (zh) * 2024-02-04 2025-08-05 华为技术有限公司 渲染方法、装置及端云协同系统
CN119865612A (zh) * 2024-12-17 2025-04-22 中国移动通信有限公司研究院 视频解码方法、装置、电子设备、存储介质及计算机程序产品

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130322531A1 (en) * 2012-06-01 2013-12-05 Qualcomm Incorporated External pictures in video coding
WO2020228833A1 (en) * 2019-05-16 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Adaptive resolution change in video coding
WO2021029987A1 (en) * 2019-08-09 2021-02-18 Futurewei Technologies, Inc. External decoding refresh (edr) in video coding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2497914B (en) * 2011-10-20 2015-03-18 Skype Transmission of video data
US20130188709A1 (en) * 2012-01-25 2013-07-25 Sachin G. Deshpande Video decoder for tiles with absolute signaling
US9838706B2 (en) * 2012-04-16 2017-12-05 Telefonaktiebolaget Lm Ericsson (Publ) Encoder, decoder and methods thereof for video encoding and decoding
US9426459B2 (en) * 2012-04-23 2016-08-23 Google Inc. Managing multi-reference picture buffers and identifiers to facilitate video data coding
US9609341B1 (en) * 2012-04-23 2017-03-28 Google Inc. Video data encoding and decoding using reference picture lists
KR102476204B1 (ko) 2017-10-19 2022-12-08 삼성전자주식회사 멀티 코덱 인코더 및 이를 포함하는 멀티 코덱 인코딩 시스템
CN112567744A (zh) * 2018-08-17 2021-03-26 华为技术有限公司 视频译码中的参考图像管理

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130322531A1 (en) * 2012-06-01 2013-12-05 Qualcomm Incorporated External pictures in video coding
WO2020228833A1 (en) * 2019-05-16 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Adaptive resolution change in video coding
WO2021029987A1 (en) * 2019-08-09 2021-02-18 Futurewei Technologies, Inc. External decoding refresh (edr) in video coding

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
RUOBING ZOU ET AL: "An Adaptive Motion Data Storage Reduction Method for Temporal Predictor", 1 January 2012, SAT 2015 18TH INTERNATIONAL CONFERENCE, AUSTIN, TX, USA, SEPTEMBER 24-27, 2015; [LECTURE NOTES IN COMPUTER SCIENCE; LECT.NOTES COMPUTER], SPRINGER, BERLIN, HEIDELBERG, PAGE(S) 48 - 59, ISBN: 978-3-540-74549-5, XP019170065 *
See also references of WO2023169426A1 *

Also Published As

Publication number Publication date
WO2023169426A1 (zh) 2023-09-14
US20240430411A1 (en) 2024-12-26
US12470699B2 (en) 2025-11-11
EP4482145A1 (de) 2024-12-25
CN116781907A (zh) 2023-09-19

Similar Documents

Publication Publication Date Title
EP4283997A4 (de) Codierungsverfahren, decodierungsverfahren und vorrichtung
EP4535287A4 (de) Codierungsverfahren und -vorrichtung, decodierungsverfahren und -vorrichtung und vorrichtung
EP4329312A4 (de) Punktwolkencodierungsverfahren, decodierungsverfahren und zugehörige vorrichtung
EP4336355A4 (de) Interaktionsverfahren und -vorrichtung, medium und elektronische vorrichtung
EP4391429A4 (de) Codierungsverfahren, decodierungsverfahren und zugehörige vorrichtung
EP4625909A4 (de) Codierungsverfahren, decodierungsverfahren und vorrichtung
EP4380156A4 (de) Videocodierungsverfahren und -vorrichtung, videodecodierungsverfahren und -vorrichtung sowie elektronische vorrichtung und speichermedium
EP4629635A4 (de) Endgerät-cloud-kollaborationssystem, codierungsverfahren, decodierungsverfahren und elektronische vorrichtung
EP4283876A4 (de) Datencodierungsverfahren und zugehörige vorrichtung
EP4257564A4 (de) Chemisch verstärkte glaskeramik, herstellungsverfahren dafür und elektronische vorrichtung
EP4481564A4 (de) Interaktionsverfahren, interaktionsvorrichtung und elektronische vorrichtung
EP4304097A4 (de) Rauschunterdrückungsvorrichtung, rauschunterdrückungsverfahren und elektronische vorrichtung
EP4318307A4 (de) Verfahren zur codierung und decodierung zweidimensionaler codes, elektronische vorrichtung
EP4391390A4 (de) Codierungsverfahren, decodierungsverfahren und zugehörige vorrichtung
EP4637149A4 (de) Decodierungsverfahren und -vorrichtung, codierungsverfahren und -vorrichtung und vorrichtung
EP4648385A4 (de) System zur zusammenarbeit zwischen endgeräten, codierungsverfahren, decodierungsverfahren und elektronische vorrichtung
EP4333433A4 (de) Videocodierungsverfahren und -vorrichtung sowie elektronische vorrichtung
EP4651129A4 (de) Audiocodierungsverfahren, audiodecodierungsverfahren und zugehörige vorrichtung
EP4471723A4 (de) Codierungsverfahren, decodierungsverfahren, vorrichtung und einrichtung
EP4161056A4 (de) Verwackelungsschutzverfahren, verwackelungsschutzvorrichtung und elektronische vorrichtung
EP4535785A4 (de) Datencodierungs- und -decodierungsverfahren und zugehörige vorrichtung
EP4538978A4 (de) Codierungsverfahren, decodierungsverfahren und elektronische vorrichtung
EP4471725A4 (de) Schattierungsverfahren, schattierungsvorrichtung und elektronische vorrichtung
EP4554216A4 (de) Codierungsverfahren, -vorrichtung und -einrichtung und decodierungsverfahren, -vorrichtung und -einrichtung
EP4439382A4 (de) Codeabtastverfahren und elektronische vorrichtung

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20240919

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20250526

RIC1 Information provided on ipc code assigned before grant

Ipc: H04N 19/59 20140101ALI20250520BHEP

Ipc: H04N 19/58 20140101ALI20250520BHEP

Ipc: H04N 19/573 20140101ALI20250520BHEP

Ipc: H04N 19/70 20140101ALI20250520BHEP

Ipc: H04N 19/50 20140101ALI20250520BHEP

Ipc: H04N 19/44 20140101ALI20250520BHEP

Ipc: H04N 19/42 20140101ALI20250520BHEP

Ipc: H04N 19/33 20140101ALI20250520BHEP

Ipc: H04N 19/172 20140101ALI20250520BHEP

Ipc: H04N 19/107 20140101ALI20250520BHEP

Ipc: H04N 19/105 20140101ALI20250520BHEP

Ipc: H04N 19/124 20140101AFI20250520BHEP